Invariants And Pictures: Low-dimensional Topology And Combinatorial Group Theory. Vassily Olegovich Manturov

Invariants And Pictures: Low-dimensional Topology And Combinatorial Group Theory - Vassily Olegovich Manturov


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construction

       11.3The

-complex

       12.Word and Conjugacy Problems in figure Groups

       12.1Conjugacy problem in figure

       12.1.1Existence of the algorithmic solution

       12.1.2Algorithm of solving the conjugacy problem in figure

       12.2The word problem for figure

       12.2.1Presentation of the group H4

       12.2.2The Howie diagrams

       12.2.3The solution to the word problem in H4

       13.The Groups

and Invariants of Manifolds

       13.1Projective duality

       13.2Embedded hypersurfaces

       13.2.1Examples

       13.3Immersed hypersurfaces

       13.4Circles in 2-manifolds and the group figure

       13.5Immersed curves in M2

       13.6A map from knots to 2-knots

       Manifolds of Triangulations

       14.Introduction

       14.1The manifold of triangulations

       15.The Two-dimensional Case

       15.1The group figure

       15.1.1Geometric description

       15.1.2Algebraic description

       15.2A group homomorphism from PBn to figure

       15.2.1Geometric description

       15.2.2Algebraic description

       15.3A group homomorphism from PBn to figure

       15.4Braids in

3 and groups figure

       15.5Lines moving on the plane and the group figure

       15.5.1A map from a group of good moving lines to figure

       15.5.2A map from a group of good moving lines to figure

       15.5.3A map from a group of good moving unit circles to figure

       15.6A representation of braids via triangulations

       15.7Decorated triangulations

       16.The Three-dimensional Case

       16.1The group figure

       16.2The general strategy of defining figure for arbitrary k

       16.3The groups figure

       Unsolved Problems

       17.Open Problems

       17.1The groups figure and figure

       17.1.1Algebraic problems

       17.1.2Topological problems

       17.1.3Geometric problems

       17.2G-braids

       17.3Weavings

       17.4Free knot cobordisms

       17.4.1Cobordism genera

       17.5Picture calculus

       17.5.1Picture-valued solutions of the Yang–Baxter equations


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